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Prevent multiple watchers for one topic

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This commit is contained in:
Konstantin Grachev
2021-09-19 00:07:41 +03:00
parent e1725ea140
commit 5e43f9b0df
1 changed files with 12 additions and 0 deletions
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12
src/Lookup.php
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@@ -28,6 +28,8 @@ final class Lookup
private array $running = []; private array $running = [];
private array $topicWatchers = [];
public function __construct( public function __construct(
private array $addresses, private array $addresses,
private LookupConfig $config, private LookupConfig $config,
@@ -183,8 +185,16 @@ final class Lookup
private function watch(string $topic): void private function watch(string $topic): void
{ {
if (\array_key_exists($topic, $this->topicWatchers)) {
return;
}
$this->topicWatchers[$topic] = true;
asyncCall(function () use ($topic) { asyncCall(function () use ($topic) {
$requestHandler = function (string $uri) use ($topic): \Generator { $requestHandler = function (string $uri) use ($topic): \Generator {
$this->logger->debug('Lookup', compact('topic'));
/** @var Response $response */ /** @var Response $response */
$response = yield $this->httpClient->request(new Request($uri.'/lookup?topic='.$topic)); $response = yield $this->httpClient->request(new Request($uri.'/lookup?topic='.$topic));
@@ -221,6 +231,8 @@ final class Lookup
yield delay($this->config->pollingInterval); yield delay($this->config->pollingInterval);
} }
unset($this->topicWatchers[$topic]);
}); });
} }
} }